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Finding the Fourth Proportional to 6,878.58, 10,300.41 and 5,765.07

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Solution

The fourth proportional to 6,878.58, 10,300.41 and 5,765.07 is: 8,632.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.58 : 10,300.41 = 5,765.07 : x
  2. Step 2: Convert to fraction form
    6,878.58/10,300.41 = 5,765.07/x
  3. Step 3: Cross multiply
    6,878.58x = 10,300.41 × 5,765.07
  4. Step 4: Simplify right side
    6,878.58x = 59,382,584.68
  5. Step 5: Solve for x
    x = 59,382,584.68/6,878.58
  6. Step 6: Final answer
    x = 8,632.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.